The 5 main pillars of Islam and many sub-pillars of those have been explained in detail. This book starts of with the basic two testimonies explaining the meaning and conditions that must be met for the testimonies to be acceptable. This book explains the many different types of prayers and the prerequisites to the prayer in Islam. It further explains the Fasts (Siyam), and the Hajj. This book is prepared by some research scholars of knowledge of Islam who have produced a great work to further our understanding of the basics of Islam.